The drug has a diuretic, anti-inflammatory and antiseptic effect.
Diuretic and uroantiseptic properties of bearberry leaves are associated with phenolic glycosides arbutin and methylarbutine, as well as with hydroquinone and its methyl ester, which have antimicrobial and locally irritating effects. Flavonoids of leaves
bearberry intensify diuresis, which leads to an intensive elimination of sodium and chlorine ions from the body.
Antimicrobial activity is due to tannins and phenolic glycosides. The antimicrobial effect of tannins is based on their ability to form complex compounds with proteins of microorganisms.